Mechanical drilling jar hydraulic jar from China manufacturer

Price:	300.0~500.0 USD
Payment Terms:	T/T,L/C
Special Groups:	Drilling tools (47)
Place of Origin:	Shaanxi, China (Mainland)


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Product Detail

Model No.: TOP-Drilling Jar-01

Production Capacity: 500 joint/month

Delivery Date: 30 days

Material: AISI 4145H

Type: hydraulic mechanical

Processing type: Casting

Means of Transport: Ocean

Packing: sea shipment

Spec.: API

Usage: Oil well drilling tools

Downhole: drill jar

API Standard mechanical drilling jar
Connected with drill tool and worked with drill string is a downhole stuck freeing tool

API Drilling Jar

The drilling jar which is connected with drill tool and worked with drill string is a downhole stuck freeing tool in drilling operation .

It is a first selected tool for directional well, complicated well and deep well. The drilling jar is consisting of drilling up jar and drilling down jar, both they can be used mutually or operated separately .

The up jarring section takes use of hydraulic mechanism, the jarring force can be adjusted according to up elevating load but can not exceed the max. load for tool load rated .The down jarring section takes use of mechanical friction mechanism, the jarring force is well pre-adjusted by adjusting device before put into downhole.No re-adjustment can be allowed after jar is put into downhole.

The type of drilling jar as below

hydraulic drilling up jar, mechanical drilling down jar,super fishing jar, hydraulic up jar, surface bumper jar